Ball lock pinoff



FIG. 1 is a front perspective view of a ball lock pinoff, showing my new design, the rear perspective view being a mirror image thereof;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof, opposite that of FIG. 4 ;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the drawings illustrate portions of the ball lock pinoff and form no part of the claimed design. 

CLAIM The ornamental design for a ball lock pinoff, as shown and described. 